Ball valve



FIG. 1 is a perspective view of a first embodiment of a ball valveshowing my new design;

FIG. 2 is a front view of FIG. 1;

FIG. 3 is a rear view of FIG. 1;

FIG. 4 is a right side view of FIG. 1;

FIG. 5 is a left side view of FIG. 1;

FIG. 6 is a top view of FIG. 1;

FIG. 7 is a bottom view of FIG. 1;

FIG. 8 is is a perspective view of a second embodiment of a ball valveshowing my new design;

FIG. 9 is a front view of FIG. 8;

FIG. 10 is a rear view of FIG. 8;

FIG. 11 is a left side view of FIG. 8;

FIG. 12 is a right side view of FIG. 8;

FIG. 13 is a top view of FIG. 8; and,

FIG. 14 is a bottom view of FIG. 8.

The broken lines shown in the figures are for illustrating portions ofthe ball valve and form no part of the claimed design.

CLAIM The ornamental design for a ball valve, as shown and described.